Finding the Third Proportional to 811,714 and 1,261,770

Step by Step Solution

1. Step 1: Write the proportion equation
   811,714 : 1,261,770 = 1,261,770 : x
2. Step 2: Convert to fraction form
   811,714/1,261,770 = 1,261,770/x
3. Step 3: Cross multiply
   811,714x = 1,261,770 × 1,261,770
4. Step 4: Simplify right side
   811,714x = 1,592,063,532,900
5. Step 5: Solve for x
   x = 1,592,063,532,900/811,714
6. Step 6: Final answer
   x = 1,961,360.20